EP1530016B1 - Echangeur thermique, en particulier pour des masses pour produire des confiseries - Google Patents

Echangeur thermique, en particulier pour des masses pour produire des confiseries Download PDF

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Publication number
EP1530016B1
EP1530016B1 EP20040025251 EP04025251A EP1530016B1 EP 1530016 B1 EP1530016 B1 EP 1530016B1 EP 20040025251 EP20040025251 EP 20040025251 EP 04025251 A EP04025251 A EP 04025251A EP 1530016 B1 EP1530016 B1 EP 1530016B1
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EP
European Patent Office
Prior art keywords
heat exchanger
outlet
inlet
guide elements
exchanger according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20040025251
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German (de)
English (en)
Other versions
EP1530016A3 (fr
EP1530016A2 (fr
Inventor
Olaf Heinicke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102004028528A external-priority patent/DE102004028528A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1530016A2 publication Critical patent/EP1530016A2/fr
Publication of EP1530016A3 publication Critical patent/EP1530016A3/fr
Application granted granted Critical
Publication of EP1530016B1 publication Critical patent/EP1530016B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F28D7/1669—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media

Definitions

  • the invention relates to a heat exchanger, in particular for masses for the production of confectionery according to the preamble of claim 1.
  • a heat exchanger is from GB-A-2 005 820 known.
  • Such a heat exchanger is from the DE 696 11 840 T2 known.
  • a plurality of similar helical elements are arranged over the length of the heat exchanger, which effect a targeted guidance of the mass to be heated or to be cooled.
  • the inlet nozzle and the outlet nozzle for the mass are in each case tubular in an end region of the housing jacket of the heat exchanger, wherein no helical elements are provided in the region of the inlet and the outlet.
  • a tubular heat exchanger in the core of a spiral baffle is arranged, which is axially penetrated by a tube bundle and enclosed by a tube jacket.
  • the core and the spiral baffle consist of individual core and Umlenkblech Divisionen, which are integrally formed into one piece.
  • the heat exchanger according to the invention in particular for masses for the production of confectionery, with the characterizing features of claim 1 has the advantage that in particular in the inlet and outlet of the heat exchanger dead spaces for the mass are prevented and thereby a high product quality is possible. Furthermore, a high efficiency and high performance is achieved despite relatively simple construction. The residence time of the mass is reduced by the compact design, which also benefits the product quality.
  • the guide elements are arranged around a centrally arranged carrier element.
  • the assembly can thereby be simplified in that the guide plates can be fastened and aligned on the centrally arranged carrier element, so that the subsequent passage of the tubes through the openings on the guide plates is simplified.
  • FIG. 1 a first heat exchanger 10 is shown, as it serves in the confectionery industry for the preparation or processing of masses such as sugar / glucose solutions or the like.
  • the heat exchanger 10 has a hollow cylindrical housing shell 11, which in the FIG. 1 is only partially visible for reasons of clarity.
  • At its end faces of the housing shell 11 each have a connection flange 12, 13 which is connected to a respective closure member 14, 15.
  • the respective bell-shaped closure pieces 14, 15 have an inlet 16 and a drain 17 for a heating or cooling medium.
  • 11 are close in the housing shell the connecting flanges 12, 13 arranged an inlet nozzle 18 and a discharge nozzle 19 for the mass to be heated or cooled, which in the FIGS. 1 and 2 are shown only simplified. On the exact arrangement and training is in the context of FIGS. 4 to 6 discussed in more detail.
  • a heat exchanger insert 20 In the interior of the housing shell 11, a heat exchanger insert 20 can be used.
  • the heat exchanger insert 20 has a centrally located in the longitudinal axis of the housing shell 11, tubular support member 21 which extends between the two connecting flanges 12, 13.
  • the support element 21 can also be flowed through by the heating or cooling medium.
  • a plurality of heat exchanger tubes 23 are arranged, which each extend parallel to each other and in the connection flanges 12, 13 end, which have corresponding through holes for this purpose.
  • the heating or cooling medium is transported, namely from the direction of the inlet 16 in the direction of the outlet 17.
  • a helically shaped guide element 25 for to be heated or cooled Dimensions.
  • Adjoining the guide element 25 in the region of the inlet connection piece 18 is an inlet adapter 22 and in the region of the outlet connection piece 19 a drainage adapter 24.
  • the guide element 25 consists in the embodiment of a plurality of each half-annular shaped baffles 26, which adjoin one another and form the helical guide for the mass.
  • the baffles 26 are each welded together at their narrow end faces 27, for example, and connected without gaps on its inner circumference with the support member 21.
  • the arrangement of the baffles 26 within the housing shell 11 is such that over the entire length of the heat exchanger 10 between the inlet adapter 22 and the drain adapter 24 each have the same pitch is formed or between the individual baffles 26 is the same distance.
  • holes 28 or openings are formed according to the arrangement of the heat exchanger tubes 23 to mount the heat exchanger tubes 23 mounted on the support member 21 baffles 26 and to be able to position.
  • the respective gaps between the through holes 28 and the heat exchange tubes 23 are formed as small as possible, so that the mass is prevented from passing at the respective columns.
  • the first heat exchanger 10 operates as follows: The mass to be heated or cooled passes via the inlet port 18 into the intermediate space between the housing shell 11 and the support element 21. Since the supply of the mass is under pressure, the mass moves within the helical gears , which are bounded by the baffles 26, from the inlet nozzle 18 to the outlet pipe 19 back. During the transport through the heat exchanger 10, the mass to be heated or to be cooled is in contact with the heat exchanger tubes 23, which with a corresponding heat or cooling medium are flowed through, wherein the heat or cooling medium passes through the inlet 16 into the heat exchanger 10 and is discharged via the outlet 17 from this.
  • heat exchanger insert 31 is designed differently than the first heat exchanger 10, wherein the remaining components should be the same.
  • the heat exchanger insert 31 consists of a multiplicity of mutually identical ground-conducting elements 32 arranged one above the other.
  • Each ground-conducting element 32 has a first section 33, which is arranged perpendicular to the heat exchanger tubes 23 or parallel to the connecting flanges 12 and 13.
  • the first section is in the form of a circle segment which describes a three-quarter circle.
  • through holes 34 are formed according to the arrangement of the heat exchanger tubes.
  • the first section 33 is adjoined by a second section 35, which is designed in the form of a quarter-circle segment, and which extends obliquely to the heat exchanger tubes 23 or the connecting flanges 12 and 13.
  • Through holes 36 for the heat exchanger tubes 23 are also formed in the second section 35.
  • the two sections 33 and 35 are integrally connected to each other, wherein the preparation can be done in a simple manner by first a circular disk is made with the through holes 34 and 36, which then receives at one point to at least the center running slot after which the second portion 35 is finally bent out of the plane of the first portion 33.
  • a perpendicular to the first portion 33 extending end plate 39 is further arranged, which has the height of the upwardly bent second portion, and which protrudes with a portion 40 to above the center of the first portion 33 ,
  • the substantially triangular end plate 39 causes the desired helical or stepped flow through the second heat exchanger 30, since the mass is forced by the end plate 39, to flow along the second portion 35.
  • the second heat exchanger 30 can be produced simply by arranging a plurality of grounding elements 32 one above the other according to the desired length of the heat exchanger 30, wherein the respective end plates 39 should lie in one plane or are aligned with one another.
  • the grounding elements 32 can then be inserted into the housing shell 11a of the second heat exchanger 30, after which the heat exchanger tubes 23 can be inserted last.
  • substantially disc-shaped drain adapter 24 has a helical or helical top 42. In alignment with the bores 28 of the baffles 26, through bores 43 for receiving the heat exchanger tubes 23 are formed.
  • the bottom 44 of the drain adapter 24, however, is flat and closes with the drain flange 13 from.
  • the outer diameter of the drain adapter 24 corresponds to the outer diameter of the guide elements 25.
  • a central through hole 45 serves to receive the support element 21, so that the drain adapter 24 is received together with the heat exchanger insert 20 from the housing shell 11.
  • the drain adapter 24 has a perpendicular to the bottom 44 extending from the periphery to the through hole 45 reaching wall 46.
  • the bottom baffle 26 On the wall 46 closes according to the FIG. 5 the bottom baffle 26, wherein no steps or gaps between the wall 46 and the drain adapter 24 and the guide plate 26 are formed to effect a uniform guidance of the mass.
  • Essential to avoid dead spots in the heat exchanger 10 is that the drain 19 is aligned with the drain adapter 24 so that the one (narrow) side 49 of the outlet cross-section 48 is flush with the wall 46, while the upper side 51 and the lower side 52 of Outlet cross-section 48 approximately flush with the top 42 of the drain adapter 24 and the bottom of the bottom guide plate 26, ie at least largely avoiding steps, paragraphs o.ä. concludes.
  • the inlet adapter 22 is formed, so that even there at the inlet of the mass into the heat exchanger 10 dead spaces are avoided or minimized. It can thus be achieved from the entrance to the end of the mass in or out of the heat exchanger 10, a defined guidance of the mass under at least largely avoid dead spaces.
  • the heat exchanger 30 with a trained accordingly Supply inlet or outlet adapter.
  • the slope of the top can be formed evenly or partially stepped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Confectionery (AREA)

Claims (9)

  1. Echangeur de chaleur (10 ; 30), en particulier pour des masses pour préparer des confiseries, comprenant une enveloppe de boîtier (11 ; 11a) de forme de préférence cylindrique, qui est fermée au niveau de ses côtés frontaux par une pièce de fermeture respective (14, 15), une entrée (18) disposée dans la région d'extrémité respective de l'enveloppe de boîtier (11 ; 11a) avec une section transversale d'entrée, et une sortie (19) avec une section transversale de sortie (48) pour la masse, des tubes (23) disposés parallèlement les uns aux autres entre les pièces de fermeture (14, 15) pour guider un fluide de chauffage ou de refroidissement et des éléments conducteurs (22, 24, 25 ; 32, 33, 35) de forme hélicoïdale disposés à l'intérieur du boîtier (11 ; 11a), pour guider la masse à chauffer ou à refroidir, les éléments conducteurs (22, 24, 25 ; 32, 33, 35) présentant des alésages (28, 43 ; 34, 36) pour le passage des tubes (23), les éléments conducteurs (22, 24) s'étendant vers l'intérieur jusque dans la région de l'entrée (18) et de la sortie (19), caractérisé en ce qu'aux éléments conducteurs (25) se raccorde un adaptateur d'afflux (22) dans la région de l'entrée (18) et un adaptateur de sortie (24) dans la région de la sortie (19), à chaque fois par une paroi de limitation (42, 46), la sortie (19), respectivement l'entrée (18) étant orientée avec l'adaptateur de sortie (24), respectivement l'adaptateur d'afflux (22), pour éviter des espaces morts, de telle sorte que la section transversale de sortie ou d'entrée (48) se termine latéralement en affleurement avec la paroi de limitation (46), tandis qu'un côté supérieur (51) et un côté inférieur (52) de la section transversale d'entrée ou de sortie (48) se termine en affleurement avec les éléments conducteurs (25) en évitant au moins essentiellement des étages ou des épaulements.
  2. Echangeur de chaleur selon la revendication 1, caractérisé en ce que la paroi de limitation (46) de l'adaptateur d'afflux, respectivement de sortie (22, 24) est tournée vers le centre.
  3. Echangeur de chaleur selon la revendication 2, caractérisé en ce que l'adaptateur d'afflux, respectivement de sortie (22, 24) est réalisé sous forme de corps massif.
  4. Echangeur de chaleur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la section transversale d'entrée, respectivement de sortie (48) de l'entrée (18), respectivement de la sortie (19), sont réalisées essentiellement sous forme rectangulaire du côté tourné vers l'échangeur de chaleur (10 ; 30).
  5. Echangeur de chaleur selon l'une quelconque des revendications 3 ou 4, caractérisé en ce qu'un élément porteur (21) est disposé dans l'axe longitudinal de l'enveloppe du boîtier (11) entre les pièces de fermeture (14, 15), en ce que les éléments conducteurs (22, 24, 25) sont disposés dans l'espace intermédiaire entre l'élément porteur (21) et l'enveloppe du boîtier (11) et en ce qu'une partie des éléments conducteurs (25) est réalisée sous forme de segments annulaires (26) qui sont fixés sur l'élément porteur (21).
  6. Echangeur de chaleur selon la revendication 5, caractérisé en ce que l'élément porteur (21) conjointement avec les segments annulaires (26) forment une unité d'installation (20) qui peut être insérée dans l'enveloppe du boîtier (11).
  7. Echangeur de chaleur selon la revendication 1, caractérisé en ce que les éléments conducteurs (33, 35) constituent à chaque fois une unité (32) et en ce que plusieurs unités identiques (32) peuvent être assemblées et insérées en tant qu'unité d'installation (31) dans l'enveloppe du boîtier (11a) en fonction de la longueur de l'enveloppe du boîtier (11a).
  8. Echangeur de chaleur selon la revendication 7, caractérisé en ce que les éléments conducteurs (32) présentent à chaque fois une première portion (33) disposée perpendiculairement aux tubes (23) et une deuxième portion (35) disposée obliquement par rapport aux tubes (23), en ce que la première portion (33) est réalisée sous forme de segment de trois-quarts de cercle et la deuxième portion (35) est réalisée sous forme de segment de quart de cercle, et en ce qu'une plaque de terminaison (39) est disposée dans la région de la deuxième portion (35) et est connectée hermétiquement à la deuxième portion (35) au niveau d'une arête de terminaison (38), laquelle s'étend parallèlement aux tubes (23), toutes les plaques de terminaison (39) de l'unité d'installation (31) étant en affleurement les unes avec les autres.
  9. Echangeur de chaleur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'inclinaison des éléments conducteurs (22, 24, 25 ; 35) sur la longueur de l'échangeur de chaleur (10 ; 10a) est variable.
EP20040025251 2003-11-05 2004-10-23 Echangeur thermique, en particulier pour des masses pour produire des confiseries Active EP1530016B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10351505 2003-11-05
DE10351505 2003-11-05
DE102004028528A DE102004028528A1 (de) 2003-11-05 2004-06-11 Wärmetauscher, insbesondere für Massen zur Herstellung von Süßwaren
DE102004028528 2004-06-11

Publications (3)

Publication Number Publication Date
EP1530016A2 EP1530016A2 (fr) 2005-05-11
EP1530016A3 EP1530016A3 (fr) 2008-12-17
EP1530016B1 true EP1530016B1 (fr) 2010-03-31

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EP20040025251 Active EP1530016B1 (fr) 2003-11-05 2004-10-23 Echangeur thermique, en particulier pour des masses pour produire des confiseries

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EP (1) EP1530016B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004012607B4 (de) * 2004-03-12 2008-05-08 Klöckner Hänsel Processing GmbH Vorrichtung und Verfahren zur thermischen Behandlung von Süßwarenmassen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1335506A (en) * 1917-07-16 1920-03-30 Griscom Russell Co Oil-cooler
FR609045A (fr) * 1925-03-03 1926-08-06 Griscom Russell Co échangeur de température
DE2744263C3 (de) 1977-10-01 1982-01-07 Funke Wärmeaustauscher Apparatebau KG, 3212 Gronau Röhrenwärmeaustauscher

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Publication number Publication date
EP1530016A3 (fr) 2008-12-17
EP1530016A2 (fr) 2005-05-11

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